To remove the document, issue a DELETE statement with an appropriate WHERE predicate.

为了删除文档，需要执行delete语句，并加上适当的where谓词。

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Is written by is the predicate in the second statement.

is written by是第二个句子的谓语。

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Is written by is the predicate in the second statement.

is written by是第二个句子的谓语。

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